On the day of the wedding of Johanna and Benjamin, her mother Gabrielle has carefully planned all the details to welcome family and guests in her house in the country and have an unforgettable ceremony. Benjamin does not recall in the morning his bachelor party with his best man Alex, who is in crisis in the relationship with his wife Valentine. She is having a secret affair with their friend, the wolf Dr. Hugo, who is married with the sweet Micky. When Valentine tells Alex that she wants the divorce, he becomes upset and disturbed, drinking a lot. During the presentation of the travesty Roberta, who had just arrived in the party to bring the wedding rings lost in the bachelor party in the cabaret where she works, Alex speeches disclosing a series of revelations in the relationships of his acquaintances and friends.